38 	struct drm_i915_gem_object *obj = dma_buf_to_obj(attachment->dmabuf);  in i915_gem_map_dma_buf()  local
43 	ret = i915_mutex_lock_interruptible(obj->base.dev);  in i915_gem_map_dma_buf()
47 	ret = i915_gem_object_get_pages(obj);  in i915_gem_map_dma_buf()
51 	i915_gem_object_pin_pages(obj);  in i915_gem_map_dma_buf()
60 	ret = sg_alloc_table(st, obj->pages->nents, GFP_KERNEL);  in i915_gem_map_dma_buf()
64 	src = obj->pages->sgl;  in i915_gem_map_dma_buf()
66 	for (i = 0; i < obj->pages->nents; i++) {  in i915_gem_map_dma_buf()
77 	mutex_unlock(&obj->base.dev->struct_mutex);  in i915_gem_map_dma_buf()
85 	i915_gem_object_unpin_pages(obj);  in i915_gem_map_dma_buf()
87 	mutex_unlock(&obj->base.dev->struct_mutex);  in i915_gem_map_dma_buf()
96 	struct drm_i915_gem_object *obj = dma_buf_to_obj(attachment->dmabuf);  in i915_gem_unmap_dma_buf()  local
98 	mutex_lock(&obj->base.dev->struct_mutex);  in i915_gem_unmap_dma_buf()
104 	i915_gem_object_unpin_pages(obj);  in i915_gem_unmap_dma_buf()
106 	mutex_unlock(&obj->base.dev->struct_mutex);  in i915_gem_unmap_dma_buf()
111 	struct drm_i915_gem_object *obj = dma_buf_to_obj(dma_buf);  in i915_gem_dmabuf_vmap()  local
112 	struct drm_device *dev = obj->base.dev;  in i915_gem_dmabuf_vmap()
121 	if (obj->dma_buf_vmapping) {  in i915_gem_dmabuf_vmap()
122 		obj->vmapping_count++;  in i915_gem_dmabuf_vmap()
126 	ret = i915_gem_object_get_pages(obj);  in i915_gem_dmabuf_vmap()
130 	i915_gem_object_pin_pages(obj);  in i915_gem_dmabuf_vmap()
134 	pages = drm_malloc_ab(obj->base.size >> PAGE_SHIFT, sizeof(*pages));  in i915_gem_dmabuf_vmap()
139 	for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, 0)  in i915_gem_dmabuf_vmap()
142 	obj->dma_buf_vmapping = vmap(pages, i, 0, PAGE_KERNEL);  in i915_gem_dmabuf_vmap()
145 	if (!obj->dma_buf_vmapping)  in i915_gem_dmabuf_vmap()
148 	obj->vmapping_count = 1;  in i915_gem_dmabuf_vmap()
151 	return obj->dma_buf_vmapping;  in i915_gem_dmabuf_vmap()
154 	i915_gem_object_unpin_pages(obj);  in i915_gem_dmabuf_vmap()
162 	struct drm_i915_gem_object *obj = dma_buf_to_obj(dma_buf);  in i915_gem_dmabuf_vunmap()  local
163 	struct drm_device *dev = obj->base.dev;  in i915_gem_dmabuf_vunmap()
166 	if (--obj->vmapping_count == 0) {  in i915_gem_dmabuf_vunmap()
167 		vunmap(obj->dma_buf_vmapping);  in i915_gem_dmabuf_vunmap()
168 		obj->dma_buf_vmapping = NULL;  in i915_gem_dmabuf_vunmap()
170 		i915_gem_object_unpin_pages(obj);  in i915_gem_dmabuf_vunmap()
201 	struct drm_i915_gem_object *obj = dma_buf_to_obj(dma_buf);  in i915_gem_begin_cpu_access()  local
202 	struct drm_device *dev = obj->base.dev;  in i915_gem_begin_cpu_access()
210 	ret = i915_gem_object_set_to_cpu_domain(obj, write);  in i915_gem_begin_cpu_access()
232 	struct drm_i915_gem_object *obj = to_intel_bo(gem_obj);  in i915_gem_prime_export()  local
241 	if (obj->ops->dmabuf_export) {  in i915_gem_prime_export()
242 		int ret = obj->ops->dmabuf_export(obj);  in i915_gem_prime_export()
250 static int i915_gem_object_get_pages_dmabuf(struct drm_i915_gem_object *obj)  in i915_gem_object_get_pages_dmabuf()  argument
254 	sg = dma_buf_map_attachment(obj->base.import_attach, DMA_BIDIRECTIONAL);  in i915_gem_object_get_pages_dmabuf()
258 	obj->pages = sg;  in i915_gem_object_get_pages_dmabuf()
262 static void i915_gem_object_put_pages_dmabuf(struct drm_i915_gem_object *obj)  in i915_gem_object_put_pages_dmabuf()  argument
264 	dma_buf_unmap_attachment(obj->base.import_attach,  in i915_gem_object_put_pages_dmabuf()
265 				 obj->pages, DMA_BIDIRECTIONAL);  in i915_gem_object_put_pages_dmabuf()
277 	struct drm_i915_gem_object *obj;  in i915_gem_prime_import()  local
282 		obj = dma_buf_to_obj(dma_buf);  in i915_gem_prime_import()
284 		if (obj->base.dev == dev) {  in i915_gem_prime_import()
289 			drm_gem_object_reference(&obj->base);  in i915_gem_prime_import()
290 			return &obj->base;  in i915_gem_prime_import()
301 	obj = i915_gem_object_alloc(dev);  in i915_gem_prime_import()
302 	if (obj == NULL) {  in i915_gem_prime_import()
307 	drm_gem_private_object_init(dev, &obj->base, dma_buf->size);  in i915_gem_prime_import()
308 	i915_gem_object_init(obj, &i915_gem_object_dmabuf_ops);  in i915_gem_prime_import()
309 	obj->base.import_attach = attach;  in i915_gem_prime_import()
311 	return &obj->base;  in i915_gem_prime_import()